diff --git a/pkgs/development/python-modules/django-postgresql-netfields/default.nix b/pkgs/development/python-modules/django-postgresql-netfields/default.nix
index a78d45a236d1..657d68c1195e 100644
--- a/pkgs/development/python-modules/django-postgresql-netfields/default.nix
+++ b/pkgs/development/python-modules/django-postgresql-netfields/default.nix
@@ -4,6 +4,7 @@
 , netaddr
 , six
 , fetchFromGitHub
+, pythonOlder
 # required for tests
 #, djangorestframework
 #, psycopg2